#------------------------------------------------------------------------------ #$Date: 2011-09-10 04:16:28 +0100 (Sat, 10 Sep 2011) $ #$Revision: 25271 $ #$URL: svn://www.crystallography.net/cod/cif/2/2003574.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2003574 loop_ _publ_author_name 'Bruhn, C.' 'Preetz, W.' _publ_section_title ; fac- and mer-Dipyridiniomethane Trichlorotrifluoroosmate(IV), fac- and mer-[(C~5~H~5~N)~2~CH~2~][OsCl~3~F~3~] ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1112 _journal_page_last 1116 _journal_volume 51 _journal_year 1995 _chemical_formula_structural fac-[(C~5~H~5~N)~2~CH~2~][OsF~3~Cl~3~] _chemical_formula_sum 'C11 H12 Cl3 F3 N2 Os' _chemical_formula_weight 525.78 _chemical_name_common ; fac-Dipyridiniomethane-Trifluorotrichloroosmate(IV) ; _chemical_name_systematic ; fac-N,N'-methylenedipyridinium trichlorotrifluoroosmate(IV) ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _audit_creation_method SHELXL _cell_angle_alpha 100.655(9) _cell_angle_beta 101.33(3) _cell_angle_gamma 90.32(2) _cell_formula_units_Z 4 _cell_length_a 7.223(3) _cell_length_b 13.9130(15) _cell_length_c 14.9310(15) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 10.43 _cell_measurement_theta_min 5.88 _cell_volume 1444.5(7) _computing_cell_refinement ; CAD4-PC (Enraf-Nonius, 1993) ; _computing_data_collection ; CAD4-PC (Enraf-Nonius, 1993) ; _computing_data_reduction 'MolEN (Fair, 1990)' _computing_molecular_graphics 'ORTEPII (Johnson, 1976)' _computing_publication_material 'SHELXL93 (Sheldrick, 1993)' _computing_structure_refinement 'SHELXL93 (Sheldrick, 1993)' _computing_structure_solution 'SIR92 (Altomare et al, 1992)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device ; Enraf-Nonius CAD4-Turbo four-circle ; _diffrn_measurement_method \w/2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71069 _diffrn_reflns_av_R_equivalents 0.0128 _diffrn_reflns_av_sigmaI/netI 0.0167 _diffrn_reflns_limit_h_max 8 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_number 5531 _diffrn_reflns_theta_max 25.00 _diffrn_reflns_theta_min 2.24 _diffrn_standards_decay_% 1.2 _diffrn_standards_interval_count 400 _diffrn_standards_interval_time 250 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 9.404 _exptl_absorpt_correction_T_max 0.9986 _exptl_absorpt_correction_T_min 0.5209 _exptl_absorpt_correction_type 'empirical (\y scans)' _exptl_crystal_colour orange _exptl_crystal_density_diffrn 2.418 _exptl_crystal_description prism _exptl_crystal_F_000 984 _exptl_crystal_size_max 0.2 _exptl_crystal_size_mid 0.2 _exptl_crystal_size_min 0.1 _refine_diff_density_max 1.039 _refine_diff_density_min -.607 _refine_ls_extinction_coef 0.0064(2) _refine_ls_extinction_method 'SHELXL93 (Sheldrick, 1993)' _refine_ls_goodness_of_fit_all 1.199 _refine_ls_goodness_of_fit_obs 1.199 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_parameters 458 _refine_ls_number_reflns 5088 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.199 _refine_ls_restrained_S_obs 1.199 _refine_ls_R_factor_all 0.0222 _refine_ls_R_factor_obs 0.0187 _refine_ls_shift/esd_max -0.002 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_scheme ; calc w = 1/[\s^2^(F~o~^2^) + (0.0247P)^2^ + 2.2353P] where P = (F~o~^2^ + 2F~c~^2^)/3 ; _refine_ls_wR_factor_all 0.0525 _refine_ls_wR_factor_obs 0.0503 _reflns_number_observed 4709 _reflns_number_total 5088 _reflns_observed_criterion >2sigma(I) _[local]_cod_data_source_file jz1030.cif _[local]_cod_data_source_block fosa2 _cod_original_cell_volume 1444.5(5) _cod_database_code 2003574 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Os1 0.02029(10) 0.02234(10) 0.02314(10) 0.00038(6) 0.00335(6) 0.00428(7) Cl11 0.0313(5) 0.0271(5) 0.0338(5) 0.0006(4) 0.0033(4) -0.0007(4) Cl12 0.0277(6) 0.0445(7) 0.0517(7) 0.0051(5) 0.0187(5) 0.0119(5) Cl13 0.0700(9) 0.0470(7) 0.0266(6) 0.0169(6) 0.0046(6) 0.0121(5) F11 0.0323(14) 0.043(2) 0.0346(14) -0.0022(12) 0.0011(11) 0.0200(12) F12 0.049(2) 0.0234(13) 0.044(2) -0.0037(12) 0.0057(13) -0.0042(11) F13 0.0193(12) 0.051(2) 0.044(2) -0.0045(11) 0.0041(11) 0.0019(13) Os2 0.02351(10) 0.02291(10) 0.02426(10) -0.00171(7) 0.00263(7) 0.00282(7) Cl21 0.0260(5) 0.0387(6) 0.0395(6) -0.0014(5) -0.0013(4) 0.0046(5) Cl22 0.0402(6) 0.0260(5) 0.0442(6) -0.0034(5) 0.0065(5) 0.0085(5) Cl23 0.0537(8) 0.0556(8) 0.0373(6) 0.0064(6) 0.0202(6) 0.0024(6) F21 0.042(2) 0.0253(13) 0.046(2) -0.0043(11) -0.0031(12) 0.0077(12) F22 0.050(2) 0.043(2) 0.0266(13) -0.0073(13) 0.0098(12) 0.0019(11) F23 0.0279(14) 0.041(2) 0.051(2) -0.0014(12) -0.0041(12) 0.0054(13) C1 0.033(3) 0.031(3) 0.025(2) 0.005(2) 0.001(2) 0.005(2) N1 0.024(2) 0.027(2) 0.023(2) 0.0009(14) 0.0028(14) 0.0048(14) N2 0.026(2) 0.024(2) 0.023(2) 0.0005(14) 0.0052(14) 0.0022(14) C11 0.028(2) 0.030(2) 0.037(2) 0.001(2) 0.002(2) 0.007(2) C12 0.038(3) 0.029(2) 0.034(2) -0.003(2) -0.006(2) 0.002(2) C13 0.051(3) 0.032(2) 0.029(2) 0.005(2) 0.010(2) 0.004(2) C14 0.035(3) 0.045(3) 0.041(3) -0.004(2) 0.015(2) 0.005(2) C15 0.031(2) 0.036(3) 0.033(2) -0.007(2) 0.005(2) 0.006(2) C21 0.031(2) 0.023(2) 0.034(2) -0.002(2) 0.006(2) 0.002(2) C22 0.041(3) 0.032(3) 0.035(3) 0.005(2) 0.008(2) 0.011(2) C23 0.040(3) 0.054(3) 0.026(2) 0.012(2) 0.003(2) 0.009(2) C24 0.041(3) 0.047(3) 0.030(2) -0.009(2) 0.003(2) -0.002(2) C25 0.043(3) 0.027(2) 0.034(2) -0.006(2) 0.007(2) 0.004(2) C2 0.035(3) 0.043(3) 0.033(2) 0.009(2) 0.010(2) 0.008(2) N3 0.030(2) 0.026(2) 0.029(2) -0.001(2) 0.003(2) 0.0072(15) N4 0.027(2) 0.031(2) 0.029(2) 0.001(2) 0.011(2) 0.003(2) C31 0.033(3) 0.038(3) 0.042(3) -0.010(2) 0.000(2) 0.016(2) C32 0.059(4) 0.035(3) 0.033(3) -0.011(2) -0.010(2) 0.009(2) C33 0.073(4) 0.028(3) 0.028(3) 0.007(2) 0.008(3) 0.007(2) C34 0.040(3) 0.037(3) 0.042(3) 0.013(2) 0.013(2) 0.015(2) C35 0.026(2) 0.030(2) 0.033(2) 0.001(2) 0.000(2) 0.006(2) C41 0.041(3) 0.035(3) 0.040(3) -0.006(2) 0.014(2) -0.007(2) C42 0.040(3) 0.067(4) 0.035(3) -0.008(3) 0.008(2) -0.016(3) C43 0.036(3) 0.085(5) 0.028(3) 0.012(3) 0.010(2) 0.007(3) C44 0.045(3) 0.054(3) 0.047(3) 0.010(3) 0.016(3) 0.020(3) C45 0.035(3) 0.032(3) 0.039(3) -0.003(2) 0.009(2) 0.002(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_occupancy _atom_site_type_symbol Os1 0.08135(2) 0.743535(11) 0.716558(10) 0.02207(7) Uani d 1 Os Cl11 0.0457(2) 0.58840(8) 0.62422(7) 0.0320(2) Uani d 1 Cl Cl12 -0.2303(2) 0.74164(9) 0.73219(9) 0.0394(3) Uani d 1 Cl Cl13 0.1849(2) 0.68734(10) 0.85412(8) 0.0479(3) Uani d 1 Cl F11 0.0098(4) 0.7957(2) 0.6033(2) 0.0357(6) Uani d 1 F F12 0.1204(4) 0.8786(2) 0.7842(2) 0.0408(6) Uani d 1 F F13 0.3427(3) 0.7518(2) 0.7024(2) 0.0394(6) Uani d 1 F Os2 0.02144(2) 0.228196(11) 0.788450(11) 0.02409(7) Uani d 1 Os Cl21 -0.2961(2) 0.22074(9) 0.71695(8) 0.0362(2) Uani d 1 Cl Cl22 0.0408(2) 0.39441(8) 0.78529(8) 0.0368(3) Uani d 1 Cl Cl23 0.1186(2) 0.18417(10) 0.64789(9) 0.0481(3) Uani d 1 Cl F21 0.0072(4) 0.0905(2) 0.7975(2) 0.0393(6) Uani d 1 F F22 -0.0482(4) 0.2566(2) 0.9096(2) 0.0404(6) Uani d 1 F F23 0.2838(4) 0.2317(2) 0.8551(2) 0.0420(7) Uani d 1 F C1 0.4389(7) 0.5242(3) 0.7390(3) 0.0305(10) Uani d 1 C N1 0.4770(5) 0.4584(3) 0.6562(2) 0.0250(7) Uani d 1 N N2 0.5584(5) 0.5044(3) 0.8245(2) 0.0249(7) Uani d 1 N C11 0.3386(6) 0.3968(3) 0.6020(3) 0.0319(10) Uani d 1 C C12 0.3661(7) 0.3425(4) 0.5201(3) 0.0362(11) Uani d 1 C C13 0.5364(8) 0.3504(4) 0.4942(3) 0.0372(11) Uani d 1 C C14 0.6781(8) 0.4107(4) 0.5525(4) 0.0397(12) Uani d 1 C C15 0.6469(7) 0.4653(4) 0.6329(3) 0.0336(10) Uani d 1 C C21 0.5385(7) 0.4175(3) 0.8507(3) 0.0298(9) Uani d 1 C C22 0.6380(7) 0.4019(4) 0.9333(3) 0.0354(10) Uani d 1 C C23 0.7562(7) 0.4754(4) 0.9912(3) 0.0403(12) Uani d 1 C C24 0.7749(8) 0.5627(4) 0.9640(3) 0.0415(12) Uani d 1 C C25 0.6752(7) 0.5766(4) 0.8796(3) 0.0350(10) Uani d 1 C C2 0.4345(7) 0.0317(4) 0.7720(3) 0.0361(11) Uani d 1 C N3 0.4748(5) -0.0236(3) 0.6853(3) 0.0286(8) Uani d 1 N N4 0.5655(5) 0.0096(3) 0.8539(2) 0.0291(8) Uani d 1 N C31 0.3276(7) -0.0660(4) 0.6189(4) 0.0377(11) Uani d 1 C C32 0.3550(9) -0.1103(4) 0.5335(4) 0.0446(13) Uani d 1 C C33 0.5337(9) -0.1131(4) 0.5165(4) 0.0432(13) Uani d 1 C C34 0.6842(8) -0.0722(4) 0.5853(4) 0.0377(11) Uani d 1 C C35 0.6523(7) -0.0270(3) 0.6698(3) 0.0303(9) Uani d 1 C C41 0.6735(7) 0.0827(4) 0.9121(4) 0.0398(11) Uani d 1 C C42 0.7793(8) 0.0663(5) 0.9931(4) 0.0507(15) Uani d 1 C C43 0.7785(8) -0.0249(5) 1.0145(4) 0.0500(14) Uani d 1 C C44 0.6716(8) -0.1007(5) 0.9521(4) 0.0464(13) Uani d 1 C C45 0.5634(7) -0.0819(4) 0.8717(3) 0.0357(10) Uani d 1 C H1A 0.460(6) 0.593(4) 0.736(3) 0.023(11) Uiso d 1 H H1B 0.311(9) 0.516(4) 0.743(4) 0.044(15) Uiso d 1 H H11 0.213(8) 0.391(4) 0.622(4) 0.038(14) Uiso d 1 H H12 0.278(8) 0.304(4) 0.485(4) 0.046(16) Uiso d 1 H H13 0.560(7) 0.317(4) 0.439(4) 0.039(14) Uiso d 1 H H14 0.777(10) 0.416(5) 0.544(5) 0.06(2) Uiso d 1 H H15 0.726(8) 0.506(4) 0.665(4) 0.032(14) Uiso d 1 H H21 0.458(8) 0.377(4) 0.814(4) 0.036(14) Uiso d 1 H H22 0.629(7) 0.345(4) 0.953(4) 0.036(13) Uiso d 1 H H23 0.812(8) 0.466(4) 1.048(4) 0.048(16) Uiso d 1 H H24 0.866(8) 0.611(4) 1.005(4) 0.049(16) Uiso d 1 H H25 0.682(8) 0.629(4) 0.862(4) 0.036(14) Uiso d 1 H H2A 0.316(9) 0.018(4) 0.774(4) 0.049(16) Uiso d 1 H H2B 0.463(8) 0.102(5) 0.775(4) 0.050(16) Uiso d 1 H H31 0.210(8) -0.062(4) 0.636(4) 0.036(14) Uiso d 1 H H32 0.242(8) -0.137(4) 0.486(4) 0.046(15) Uiso d 1 H H33 0.555(9) -0.135(5) 0.463(5) 0.06(2) Uiso d 1 H H34 0.793(8) -0.071(4) 0.580(4) 0.032(14) Uiso d 1 H H35 0.745(7) 0.002(3) 0.711(3) 0.018(11) Uiso d 1 H H41 0.675(7) 0.145(4) 0.894(4) 0.038(14) Uiso d 1 H H42 0.828(8) 0.113(4) 1.027(4) 0.039(15) Uiso d 1 H H43 0.858(8) -0.034(4) 1.070(4) 0.040(14) Uiso d 1 H H44 0.657(9) -0.157(5) 0.968(4) 0.057(18) Uiso d 1 H H45 0.490(8) -0.127(4) 0.830(4) 0.038(14) Uiso d 1 H loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C .0033 .0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H .0000 .0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N .0061 .0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' F F .0171 .0103 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cl Cl .1484 .1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Os Os -1.2165 7.6030 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag F11 Os1 F12 87.53(12) yes F11 Os1 F13 88.05(12) yes F13 Os1 F12 86.92(12) yes F11 Os1 Cl12 90.08(9) yes F12 Os1 Cl12 90.87(10) yes F13 Os1 Cl12 177.16(9) yes F11 Os1 Cl11 87.74(9) yes F12 Os1 Cl11 174.25(9) yes F13 Os1 Cl11 89.66(9) yes Cl12 Os1 Cl11 92.40(5) yes F11 Os1 Cl13 176.29(9) yes F13 Os1 Cl13 88.85(9) yes F12 Os1 Cl13 90.27(9) yes Cl12 Os1 Cl13 92.94(5) yes Cl11 Os1 Cl13 94.28(4) yes F22 Os2 F21 86.75(12) yes F22 Os2 F23 87.00(13) yes F21 Os2 F23 87.18(12) yes F22 Os2 Cl23 175.40(9) yes F21 Os2 Cl23 89.55(9) yes F23 Os2 Cl23 90.09(10) yes F22 Os2 Cl21 89.89(10) yes F21 Os2 Cl21 90.88(9) yes F23 Os2 Cl21 176.42(9) yes Cl23 Os2 Cl21 92.90(5) yes F22 Os2 Cl22 90.76(9) yes F21 Os2 Cl22 177.29(9) yes F23 Os2 Cl22 91.63(9) yes Cl23 Os2 Cl22 92.88(5) yes Cl21 Os2 Cl22 90.18(5) yes N2 C1 N1 111.5(3) yes N2 C1 H1A 108.(3) ? N1 C1 H1A 112.(3) ? N2 C1 H1B 108.(3) ? N1 C1 H1B 110.(3) ? H1A C1 H1B 107.(4) ? C11 N1 C15 121.1(4) ? C11 N1 C1 119.5(4) ? C15 N1 C1 119.2(4) ? C25 N2 C21 121.0(4) ? C25 N2 C1 118.9(4) ? C21 N2 C1 119.9(4) ? N1 C11 C12 120.1(4) ? N1 C11 H11 120.(3) ? C12 C11 H11 120.(3) ? C11 C12 C13 119.5(5) ? C11 C12 H12 120.(4) ? C13 C12 H12 120.(4) ? C12 C13 C14 119.3(5) ? C12 C13 H13 123.(3) ? C14 C13 H13 118.(3) ? C15 C14 C13 120.2(5) ? C15 C14 H14 115.(5) ? C13 C14 H14 125.(5) ? N1 C15 C14 119.6(5) ? N1 C15 H15 119.(4) ? C14 C15 H15 121.(4) ? N2 C21 C22 120.0(4) ? N2 C21 H21 115.(4) ? C22 C21 H21 125.(4) ? C21 C22 C23 119.8(5) ? C21 C22 H22 123.(3) ? C23 C22 H22 118.(3) ? C24 C23 C22 119.6(5) ? C24 C23 H23 122.(4) ? C22 C23 H23 118.(4) ? C23 C24 C25 119.7(5) ? C23 C24 H24 117.(3) ? C25 C24 H24 123.(3) ? N2 C25 C24 119.8(5) ? N2 C25 H25 119.(4) ? C24 C25 H25 122.(4) ? N3 C2 N4 111.7(4) yes N3 C2 H2A 108.(4) ? N4 C2 H2A 111.(4) ? N3 C2 H2B 109.(3) ? N4 C2 H2B 103.(3) ? H2A C2 H2B 114.(5) ? C35 N3 C31 121.0(4) ? C35 N3 C2 120.8(4) ? C31 N3 C2 118.1(4) ? C41 N4 C45 121.8(4) ? C41 N4 C2 118.9(4) ? C45 N4 C2 119.1(4) ? N3 C31 C32 120.5(5) ? N3 C31 H31 116.(3) ? C32 C31 H31 124.(3) ? C31 C32 C33 119.1(5) ? C31 C32 H32 117.(3) ? C33 C32 H32 124.(3) ? C32 C33 C34 120.1(5) ? C32 C33 H33 122.(5) ? C34 C33 H33 118.(5) ? C35 C34 C33 119.5(5) ? C35 C34 H34 115.(4) ? C33 C34 H34 126.(4) ? N3 C35 C34 119.7(5) ? N3 C35 H35 121.(3) ? C34 C35 H35 119.(3) ? N4 C41 C42 119.9(5) ? N4 C41 H41 118.(3) ? C42 C41 H41 122.(3) ? C41 C42 C43 120.1(6) ? C41 C42 H42 115.(4) ? C43 C42 H42 124.(4) ? C42 C43 C44 119.5(5) ? C42 C43 H43 117.(3) ? C44 C43 H43 123.(3) ? C45 C44 C43 119.3(5) ? C45 C44 H44 119.(4) ? C43 C44 H44 121.(4) ? N4 C45 C44 119.4(5) ? N4 C45 H45 117.(3) ? C44 C45 H45 124.(3) ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag Os1 F11 1.941(2) yes Os1 F12 1.953(3) yes Os1 F13 1.946(3) yes Os1 Cl11 2.3194(11) yes Os1 Cl12 2.3085(14) yes Os1 Cl13 2.3207(12) yes Os2 F21 1.949(3) yes Os2 F22 1.944(3) yes Os2 F23 1.956(3) yes Os2 Cl21 2.3252(14) yes Os2 Cl22 2.3258(11) yes Os2 Cl23 2.3197(13) yes C1 N1 1.470(6) yes C1 N2 1.466(5) yes C1 H1A 0.98(5) ? C1 H1B 0.95(6) ? N1 C11 1.343(6) yes N1 C15 1.347(6) yes N2 C21 1.353(6) yes N2 C25 1.345(6) yes C11 C12 1.364(7) yes C11 H11 1.02(5) ? C12 C13 1.370(7) yes C12 H12 0.85(6) ? C13 C14 1.371(7) yes C13 H13 0.92(5) ? C14 C15 1.357(7) yes C14 H14 0.76(7) ? C15 H15 0.81(5) ? C21 C22 1.355(7) yes C21 H21 0.85(5) ? C22 C23 1.377(7) yes C22 H22 0.90(5) ? C23 C24 1.364(8) yes C23 H23 0.89(6) ? C24 C25 1.370(7) yes C24 H24 0.96(6) ? C25 H25 0.83(6) ? C2 N3 1.462(6) yes C2 N4 1.473(6) yes C2 H2A 0.89(6) ? C2 H2B 0.99(6) ? N3 C31 1.350(6) yes N3 C35 1.346(6) yes N4 C41 1.341(6) yes N4 C45 1.348(6) yes C31 C32 1.361(8) yes C31 H31 0.93(5) ? C32 C33 1.363(9) yes C32 H32 0.99(6) ? C33 C34 1.378(8) yes C33 H33 0.84(7) ? C34 C35 1.365(7) yes C34 H34 0.81(5) ? C35 H35 0.86(5) ? C41 C42 1.356(8) yes C41 H41 0.95(5) ? C42 C43 1.365(9) yes C42 H42 0.78(6) ? C43 C44 1.386(9) yes C43 H43 0.93(5) ? C44 C45 1.367(7) yes C44 H44 0.87(6) ? C45 H45 0.89(5) ?